National Provider Identifier

Nancy L Sullivan, NP

Nancy L Sullivan, NP is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner in Williamsville, NY and a listed phone number of (716) 630-1045.

NPI 1992713598Williamsville, NYAdult Health Nurse Practitioner

Source: public NPPES record, last updated December 14, 2021. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.

Profile Overview

NPI
1992713598
Provider Type
Individual
Primary Specialty
Adult Health Nurse Practitioner
Enumeration Date
August 03, 2006
Last Updated
December 14, 2021

Practice Location

  • 295 Essjay RD
  • Williamsville, NY 14221-8216

Phone: (716) 630-1045

Mailing Address

  • 425 Essjay RD Ste 170
  • Williamsville, NY 14221-8235

Specialties

  • Adult Health Nurse Practitioner (363LA2200X)

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Medicare Part B Activity

Reported 492 Medicare fee-for-service service lines in 2024.

Peer comparison

Compared to Nurse Practitioner providers in the Buffalo, NY metro area.

This provider is in the 86th percentile for Medicare service volume.

Higher volume than most peers.

Performs 222% more Medicare services than the peer median.

Higher than 666 of 775 peers.

Activity Percentile
85.9%
Rank by Services
108 of 775
Total Services
492
Est. Allowed Value
$10,373.69
Dataset Year
2024
Drug Code Share
0.0%

Estimated allowed value reflects Medicare fee-for-service allowed amounts only. It does not include Medicare Advantage, commercial insurance, cash-pay services, or employment compensation.

Peers are grouped by the broader Nurse Practitioner classification rather than the exact subspecialty label shown elsewhere on the page.

Percentile distribution

Lowest-volume peersThis providerHighest-volume peers
0%10%20%30%40%50%60%70%80%90%+

Each bar represents a 10-point percentile band of peers by total Medicare services for Nurse Practitioner across the Buffalo, NY metro area. Taller bars indicate higher service-volume bands. Highlighted bar marks this provider's percentile band.

Observed service range: 11 to 11,907 total Medicare services.

Top Clinical Services

Full Record
NPI
1992713598
Entity Type
Individual
Last Name
Sullivan
First Name
Nancy
Middle Name
L
Credential
NP
Mailing Street Address
425 Essjay RD Ste 170
Mailing City
Williamsville
Mailing State
NY
Mailing ZIP Code
14221-8235
Mailing Country
US
Mailing Phone
(716) 630-1219
Practice Street Address
295 Essjay RD
Practice City
Williamsville
Practice State
NY
Practice ZIP Code
14221-8216
Practice Country
US
Practice Phone
(716) 630-1045
Practice Fax
(716) 630-1451
Enumeration Date
August 03, 2006
Last Updated
December 14, 2021
Sex
Female
Sole Proprietor
No
Certification Date
December 14, 2021
Taxonomies
Adult Health Nurse Practitioner (363LA2200X)
Other Identifiers
000560711001 (NY, Health Now), 02292157 (NY), 161000580 (NY, Ghi), 161000580 (NY, Nova), 00026526201 (NY, Univera), 9512257 (NY, Iha)